Asgarby and Howell is a civil parish in the North Kesteven district of Lincolnshire, England, consisting of the villages of Asgarby and Howell. According to the 2001 Census the parish had a population of 69.
The parish church, St Oswald's, dates from the 14th century.
In 1870–72, John Marius described Asgarby and Howell as:
Asgarby, a parish in Sleaford district, Lincoln; adjacent to the Boston and Grantham railway, 3 miles E of Sleaford. It includes the hamlet of Boughton; and its Post Town is Sleaford.
Coordinates: 53°00′N 0°19′W / 53.00°N 0.32°W